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Proceedings Paper

Spectroscopic and laser properties of LaSc3(BO3)4:Cr,Yb,Er crystals
Author(s): O. V. Kuzmin; S. A. Kutovoi; V. L. Panyutin; S. T. Durmanov; Yu. P. Rudnitskiy; Grigoriy Smirnov
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Paper Abstract

Spectro-luminescent characteristics were determined for LaSc3(BO3)4-crystals, activated by ions of the ytterbium and the erbium. Quantum efficiency of nonradiative transfer from the ions Yb3+ to the Er3+ is closed to 80% for concentration of ions [Yb] equals 1021 cm-3, [Er] equals 5 (DOT) 1019 cm-3. Quantum efficiency of energy transmission from the Cr3+ to the Er3+ is about 90%. Having achieved population inversion in the Er-ions the efficiency of energy transmission decay to 70%. We have fulfilled comparison of generation properties for lasers with active elements made of LSB-crystal, that contents [Cr3+] equals 0.5 at.%, [Yb3+] equals 10 at.%, [Er3+] equals 0.5 at.%, and phosphate glass that contents [Cr3+] equals 0.3 wt.%, [Yb3+] equals 20 wt.%, [Er3+] equals 0.2 wt.%.

Paper Details

Date Published: 29 December 1998
PDF: 7 pages
Proc. SPIE 3682, Laser Optics '98: Solid State Lasers, (29 December 1998); doi: 10.1117/12.334776
Show Author Affiliations
O. V. Kuzmin, SPA Firn (Russia)
S. A. Kutovoi, SPA Firn (Russia)
V. L. Panyutin, SPA Firn (Russia)
S. T. Durmanov, TRINITI (Russia)
Yu. P. Rudnitskiy, TRINITI (Russia)
Grigoriy Smirnov, TRINITI (Russia)

Published in SPIE Proceedings Vol. 3682:
Laser Optics '98: Solid State Lasers
Vladimir I. Ustugov, Editor(s)

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